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Year of most recent IBA criteria assessment: 2016

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population estimate	IBA Criteria Triggered
Lesser White-fronted Goose Anser erythropus	VU	passage	2004	present	A1
Long-tailed Duck Clangula hyemalis	VU	winter	1968-1970	min 10,000 individuals	A1
Long-tailed Duck Clangula hyemalis	VU	passage	1976-1982	min 50,000 individuals	A1, A4i
Common Eider Somateria mollissima	NT	breeding	1969-1970	2,500-3,000 individuals	A4i
Common Eider Somateria mollissima	NT	passage	1976-1982	min 15,000 individuals	A1, A4i
Steller's Eider Polysticta stelleri	VU	non-breeding	1969-1970	min 5,000 individuals	A4i
Steller's Eider Polysticta stelleri	VU	passage	1976-1982	min 20,000 individuals	A1, A4i
Siberian Scoter Melanitta stejnegeri	LC	passage	1976-1982	20,000-25,000 individuals	A4i
Black Scoter Melanitta americana	NT	passage	1976-1982	20,000-25,000 individuals	A1, A4i
Goosander Mergus merganser	LC	non-breeding	1968-1970	3,000-5,000 individuals	A4i
Red-breasted Merganser Mergus serrator	LC	passage	1976-1982	min 8,000 individuals	A4i
Harlequin Duck Histrionicus histrionicus	LC	breeding	1966-1978	4,000-5,000 individuals	A4i
Harlequin Duck Histrionicus histrionicus	LC	passage	1976-1982	10,000-15,000 individuals	A4i
Greater Scaup Aythya marila	LC	passage	1976-1983	25,000-30,000 individuals	A4i
Pelagic Cormorant Urile pelagicus	LC	breeding	1994	min 5,234 individuals	A4i
Black-legged Kittiwake Rissa tridactyla	VU	breeding	1966-1994	35,000-240,000 individuals	A4i
Slaty-backed Gull Larus schistisagus	LC	breeding	1994	min 11,320 individuals	A4i
Slaty-backed Gull Larus schistisagus	LC	passage	1976-1982	min 40,000 individuals	A4i
Steller's Sea-eagle Haliaeetus pelagicus	VU	breeding	2004	present	A1
A4iii Species group - seabirds	n/a	breeding	2004	min 10,000 breeding pairs	A4iii
A4iii Species group - waterbirds	n/a	unknown	2004	min 20,000 individuals	A4iii

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

Protected Area	Designation	Area (ha)	Relationship with IBA	Overlap with IBA (ha)
Ostrov Karaginskiy	Zakaznik	200,000	protected area contained by site	200,000
Karaginsky Island, Bering Sea	Ramsar Site, Wetland of International Importance	193,597	protected area contained by site	193,597

IUCN Habitat	Habitat detail	Extent (% of site)
Grassland	Tundra	-
Wetlands (inland)	Permanent swamps, Coastal lagoons	-
Coastline	Sea cliffs and rocky shores	-
Forest	Mixed broadleaf-coniferous forest (temp/boreal	-

For further information about the habitat classification please click here.

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Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Karaginskiy Island. Downloaded from http://www.birdlife.org on 10/08/2022.